June 10, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Experience developing and executing physics-based simulations using tools such as MCNP, SCALE, ORIGEN, COMSOL, and related modeling software, supplemented by data analysis tools such as Python, MATLAB, or C++.
Rockville, MD30+ days ago
li>A masters degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience. D. in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of three years of experience.
Alexandria, VA30+ days ago
li>Oversee MPR engineers performing neutronics simulations and core design: criticality safety evaluations, critical core configurations, fuel cycle management, activation calculations, radiation detection and shielding analyses: alarm setpoint determination, shielding optimization, ALARA implementation, dosimetry calculations. The role requires deep expertise in or an ability to quickly master several nuclear engineering related topics, including neutronics, thermal hydraulics, shielding, fuel and nuclear materials, and radiological consequence evaluation combined with strong communication skills, adherence to best practices, and an eye for growing MPR''s portfolio.
Reston, Virginia18 days ago
June 10, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The successful candidate will lead technical assessments of foreign nuclear weapons infrastructure, reverse engineer protective hardening measures, and identify vulnerabilities across facilities, processes, and supply chains.
Gaithersburg, MD23 days ago
Typical roles include being recognized as an industry expert, participating in professional societies by presenting papers, acting as a section lead for a large or complex specialty area, an engineering consultant for larger scale projects. Extensively use Microsoft Office business systems such as ProjectWise, electrical engineering software, such as ETAP and Computer Aided Drafting Tools, such as AutoCAD to view and manipulate engineering drawing files.
Gaithersburg, MD23 days ago
li>Complex engineering calculations such as: load flow, short circuit, motor starting (ETAP or SKM), Arc flash analysis (ETAP or SKM), protective relay settings, battery and charger sizing.
Extensively use Microsoft Office business systems such as ProjectWise, electrical engineering software, such as ETAP and Computer Aided Drafting Tools, such as AutoCAD to view and manipulate engineering drawing files.
There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Review strategic weapon system certification processes and activities to ensure objective quality evidence and artifacts required for safety, security, control, and reliability certifications are identified, defined, understood, and accessible to sponsors.
Gaithersburg, MD30+ days ago
li>Performing calculations such as pipe sizing calculations, pipe thickness calculations, pump sizing calculation, control valve sizing calculations, heat exchanger sizing, atm. We are fully committed to assisting our clients meet the needs of a global nuclear power industry with quality engineering and turnkey Engineer-Procure-Construct (EPC) solutions.
Rockville, MD30+ days ago
It includes identifying requirements, conceptualizing system architecture and developing the layout through final design, performing process calculations, selecting and specifying equipment components ensuring they meet all technical specifications and program/project requirements. Perform Systems Engineering processes for the designed mechanical systems and components:
Demonstrate project management skills to effectively organize and lead external engineering partners and internal stakeholders.
Gaithersburg, MD30+ days ago
p>In this role, you will have the opportunity to: • Work as part of the project team to generate engineering design documents and deliverables for systems related to the power plant (logics, network architecture diagrams, instrument lists, I/O Lists, instrument installation details, schematics and wiring drawings, calculations, studies, technical specifications, etc.).
Company: Black & Veatch Corporation Req Id: 113557 Opportunity Type: Staff Relocation eligible: No Full time/Part time: Full-Time Project Only Hire: No Visa Sponsorship Available: No.
Why Black and Veatch Black & Veatch allows you to lend your talent and perspective to humanity's biggest challenges in a flexible environment where you are empowered to grow and explore new possibilities.
Gaithersburg, MD30+ days ago
p>Preferred Qualifications Experience in some of following areas: • Instrument and/or Service Air Systems • Demineralized (DM) water supply and make up systems • Service and potable water supply system • Natural, hydrogen, and nitrogen gas Supply System • Closed cycle cooling water system • High Pressure / Intermediate Pressure / Low / Auxiliary Steam system • Feedwater and condensate systems • CO2 Supply System • Calculations which include pipe sizing calculations, pipe thickness calculations, pump sizing calculation, control valve sizing calculations, heat exchanger sizing, atm. We are fully committed to assisting our clients meet the needs of a global nuclear power industry with quality engineering and turnkey Engineer-Procure-Construct (EPC) solutions.
Rockville, MD30+ days ago
Support for engagements with the US Nuclear Regulatory Commission (NRC) includes pre-application meetings, preparing and reviewing permit and license applications, preparing and reviewing topical reports, and responding to NRC audit questions and requests for additional information. TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes.
Rockville, MD30+ days ago
li>Perform and assist metallurgical analysis for the alloys selected for metallic systems, structures, and components of X-energy developed reactors, including pressure vessels and piping, reactor internals, heat exchangers, and other systems and components. Job Responsibilities:
- Develop and implement methodologies to qualify and characterize materials, especially metallic alloys, graphite, composites, and welding materials for nuclear reactor applications including in high temperature environments.
Gaithersburg, MD30+ days ago
Communicates client interests and drivers to project team members and develops approaches to accommodate these concerns in the performance of the work on low to moderately complex projects. All applicants must be able to complete pre-employment onboarding requirements (if selected) which may include any/all of the following: criminal/civil background check, drug screen, and motor vehicle records search, in compliance with any applicable laws and regulations.
p>As the Senior Nuclear Surety Systems Engineer, you will: Serve as the Lab's focal point and thought leader for nuclear surety engineering with emphasis on leveraging and implementing systems engineering principles to enhance strategic systems nuclear surety design and modifications.
Are you interested in applying technical leadership, innovation, system engineering skills, and specialty nuclear surety expertise toward the difficult critical challenges of ensuring the safety and security of this nation's most critical defense systems?
Washington, D.C.30+ days ago
There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making.
Germantown, MD19 days ago
p>
. Global Engineering & Technology (GET) is seeking a highly qualified individual to join our team during Q3 2026 as a Technical Guidance Analyst (TGA), supporting the Department of Energy's (DOE) Office of Classification in Germantown, Maryland.
Laurel, Maryland30+ days ago
ul>Serve as the Lab’s focal point and thought leader for nuclear surety engineering with emphasis on leveraging and implementing systems engineering principles to enhance strategic systems nuclear surety design and modifications. Description: Are you interested in applying technical leadership, innovation, system engineering skills, and specialty nuclear surety expertise toward the difficult critical challenges of ensuring the safety and security of this nation’s most critical defense systems? .
Rockville, MD30+ days ago
Lead and manage systems engineering lifecycle efforts surrounding: • Stakeholder and operational analysis • Requirement identification, decomposition, and management • Functional decomposition and modeling • Logical system architecture development and modeling • Physical product definition, interface management, and change control • Design integration and testing • System verification and validation • Concept of operations development and modeling • Develop and maintain system behavior models using model-based systems engineering (MBSE) tools within established Product Lifecycle Management (PLM) frameworks. Experience and/or knowledge in the following areas:
• System Lifecycle Processes (ISO 15288) • Operational & Stakeholder Analysis • Requirements Management • System Design & Interface Management • Design Integration & Testing • Verification & Validation • Model-Based Systems Engineering (MBSE) Tools and Methods & Product Lifecycle Management Systems • Teamcenter PLM, Cameo, Capella, Genesys, SysML, and DOORS • Systems modeling and simulation • Interface control and management • Configuration management and change control • Technical risk assessment and management.
Gaithersburg, MD30+ days ago
p>In this role, you would have the opportunity to: • Working directly with the project team to generate engineering design documents and deliverables for systems related to the power plant (logics, network architecture diagrams, instrument lists, I/O Lists, instrument installation details, schematics and wiring drawings, calculations, studies, technical specifications, etc.).
Company: Black & Veatch Corporation Req Id: 113555 Opportunity Type: Staff Relocation eligible: No Full time/Part time: Full-Time Project Only Hire: No Visa Sponsorship Available: No.
Why Black and Veatch Black & Veatch allows you to lend your talent and perspective to humanity's biggest challenges in a flexible environment where you are empowered to grow and explore new possibilities.
Gaithersburg, MD30+ days ago
p>In this role, you will have the opportunity to: • Work directly with the project team to generate engineering design documents and deliverables for systems related to the power plant (logics, network architecture diagrams, instrument lists, I/O Lists, instrument installation details, schematics and wiring drawings, calculations, studies, technical specifications, etc.).
Company: Black & Veatch Corporation Req Id: 113553 Opportunity Type: Staff Relocation eligible: No Full time/Part time: Full-Time Project Only Hire: No Visa Sponsorship Available: No.
Why Black and Veatch Black & Veatch allows you to lend your talent and perspective to humanity's biggest challenges in a flexible environment where you are empowered to grow and explore new possibilities.
Laurel, Maryland3 days ago
li>Have experience with modeling or testing of any radiation effects on electronics including total ionizing dose, dose rate, single event effects and displacement damage from X-rays, gamma rays, neutrons, protons, and heavy ions. - Have a Master of Science or Doctorate in Physics, Electrical Engineering, Nuclear Engineering, Applied Mathematics, or a related science/engineering field with 3+ years of relevant experience.
Arlington, VA30+ days ago
We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. AECOM is actively growing the East Region Environmental Planning & Permitting (EPP) practice and is seeking an Environmental Project Manager for its Nuclear and Radiological Services Group within the southeastern EPP Department.
As a Nuclear Engineering All-Source Intelligence Analyst, you will support defense analytical requirements with enhanced scientific or engineering research, reverse engineering analysis, characterizations, and facility and vulnerability assessments on nuclear capabilities, including nuclear engineering and sub-disciplines of thermo-hydraulics, seismic or earthquake, physics, computational science, and fission reactor engineer. Ability to independently develop high-quality tailored deliverables, including actionable leads, ICD-compliant written products, network charts, and formal or informal briefings.
Washington, District of Columbia30+ days ago
p>Responsibilities: - Developing, coordinating, and conducting all- source research and analysis to produce finished intelligence products for consumption by headquarters officials, field and laboratory experts, and US Intelligence Community (IC). The primary duty of the position involves producing and disseminating written technical intelligence products, providing customized briefings and assessments to senior policymakers, and interfacing with other members of the Intelligence Community and National Laboratories.
This role owns the P&L and growth strategy for a global market that includes DOE, NNSA, all other U.S. Government (USG) clients, and various commercial clients supporting USG funded initiatives with the conventional and nuclear energy sectors. Talent & Culture • Build and lead a high-performing market leadership and delivery teams (e.g., portfolio managers, client account leads, bid managers, and program & project directors/managers).
Rockville, MD30+ days ago
em> Experience in the use or development of analysis software under a heavily regulated quality assurance regime (e.g., nuclear systems design, nuclear safety analysis, flight control software, safety-related industrial controls or similar such as computer software used to control plant SSCs). Job Profile Tasks/Responsibilities Support the delivery of the following software and services to the engineers who are performing analysis: Internally developed analysis software (i.e., installation files, documentation, testing, user support).
Arlington, VA30+ days ago
Qualifications Required Qualifications Masters degree and 10 years' experience in DoD nuclear enterprise management organizations Recent advanced experience with nuclear stockpile stewardship activities and requirements at all levels of USG Recent work involving coordination of nuclear enterprise issues across DoD and other agencies Secret clearance. Technical Analysts and Engineers Technical analysts and engineers provide tailored program management for life-cycle systems engineering and logistics support, rapid capabilities development and fielding, cyber warfare operations, nuclear command, control and communications, and design, production, and maintenance support.
p>· Influence the development and implementation of policies and strategies within government and nongovernment institutions to advance campaign goals; collaborate with UCS campaign and legislative staff to develop and effectively promote UCS-supported positions with senior government officials, legislators, regulators, opinion leaders, stakeholders, non-traditional allies, coalition partners, public and media representatives at local, state, regional, and national levels. · Establish and maintain alliances with advocates, other organizations, community leaders, businesses, academics, and researchers, including regulatory and legislative staff and governmental agencies, to exchange information, provide technical information/education and guidance, share resources, advance shared objectives, engage in collaborative projects, and participate in coalitions.
Some duties may include but not limited to; test boring/test pit observations, other geotechnical field tests, soil classification, laboratory analysis, preparation of geotechnical reports/calculation, management of field staff, review of daily CMT field reports, occasional performance of on-site construction materials testing services, etc. As a Staff Engineer in our Chantilly office, you will work collaboratively with our knowledgeable geotechnical and construction materials testing/inspections departments and assist with a wide variety of projects for public and private sector clients.
Chantilly, VA30+ days ago
Some duties may include but not limited to; test boring/test pit observations, other geotechnical field tests, soil classification, laboratory analysis, preparation of geotechnical reports/calculation, management of field staff, review of daily CMT field reports, occasional performance of on-site construction materials testing services, etc. As a Staff Engineer in our Chantilly office, you will work collaboratively with our knowledgeable geotechnical and construction materials testing/inspections departments and assist with a wide variety of projects for public and private sector clients.
p>Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place.
- Bachelor's degree in Electrical (including Electronics and Computer Engineering), Mechanical, Chemical, Marine, Industrial, Nuclear Engineering, or Engineering Technology, from an accredited college or university within the past 12 months or the next 12 months.
Additional skills/expereince required: + 6 years of experience supporting projects of varying size and scope + 2 years of DoD Acquisition program or Pentagon experience and a warfare qualified officer + Self-starter who can work with minimal supervision, knowledgeable with project management methodologies and frameworks such as waterfall and agile + Strong ability to analyze data, interpret trends, and draw meaningful conclusions. **Preferred Education, Experience, & Skills** + Submarine Officer with preference for SSBN experience + Nuclear Qualified officer + PMP, CAPM certification + Knowledge/Experience supporting Navy SSP Strategic Weapons System **Pay Information** Full-Time Salary Range: $130355 - $221603 Please note: This range is based on our market pay structures.
li>Specified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A.
Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelors degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance.
To apply for this position, you MUST provide a complete application package which includes:
- Your two (2) pageRESUME showing all relevant work experience (paid and unpaid) including: duties performed; full name and address of the each employer; start and end dates (month/day/year); work schedule (part-time, full-time, number of hours if intermittent); salary; and any completed education and training (program title, subject area, number of hours completed, and completion date).
There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Required:
- Bachelor's (with 8-10 years' of experience), Master's degree (with 6-8 years' of experience) or a PhD (with 3-5 years' experience) in Systems Engineering, Electrical Engineering, Mechanical Engineering, Aerospace Engineering, or a related technical field.
There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Required:
- Bachelor's (with 8-10 years of experience) or Master's degree (with 6-8 years of experience) or a PhD (with 3-5 years of experience) in Systems Engineering, Electrical Engineering, Mechanical Engineering, Aerospace Engineering, or a related technical field.
Chevy Chase, Maryland30+ days ago
li>With guidance from Senior Licensing Engineers:
Develop written licensing products (e.g., detailed reports on specific technical subjects1 and responses to NRC’s questions).
Work closely with multidisciplinary teams to ensure alignment between regulatory requirements and engineering designs, site selection, and plant construction timelines.
Bethesda, Maryland30+ days ago
Blue Energy is a platform technology that makes use of the latest NRC-approved reactors and is in negotiations with existing nuclear and industrial sites, enabling a much faster regulatory pathway to deploy our first unit. style="min-height:1.5em">Excellent communication (both verbal and written) and project management skills, with a proven track record of working effectively with engineering, legal, and regulatory teams.
p>FOREIGN EDUCATION: Applicants who have completed part or all of their education outside of the U.S. must have their foreign education evaluated by an accredited organization to ensure that the foreign education is comparable to education received in accredited educational institutions in the U.S. A written evaluation of any foreign education must be provided with your application in response to this vacancy announcement or be received by the closing date of this announcement. Certain Military Spouses: Permanent Change of Station (PCS) orders authorizing you to accompany the Military member to the new duty permanent station; OR verification of the members 100% disability (VA Letter); and/or verification of the members death while on active duty (DD-1300 and Death Certificate) AND verification of the marriage to the service member (i.e., a marriage license or other legal documentation verifying marriage).
Required Education, Experience, & Skills** + Bachelor's Degree in Systems Engineering, Aerospace Engineering, Electrical Engineering, or a related field + 10 years of progressive experience in systems engineering within a DoD acquisition environment, with at least 5 years focused on ACAT 1 strategic deterrence programs (ICBM, SLBM, nuclear command and control) + Strong understanding of systems engineering principles, processes, and methodologies. The Senior Principal Systems Engineer-Technical Lead will report into the Program Area Manager for Technical Planning and Execution and provide expert technical guidance and oversight to multidisciplinary teams (systems, hardware, test, cybersecurity, safety, etc.) to ensure seamless integration and interoperability of strategic deterrence components and subsystems.
Seatle, Washington30+ days ago
We are removing the barriers preventing radical advancement by providing tools to manufacturing engineers and operators to move information more freely, collaborate with their teams more easily, and use the power of data to predict problems and provide insights that result in better hardware quality and delivery. In this role, you will be working hand-in-hand with customers by getting deeply involved in their operations, understanding their unique problems, and developing tailor-made solutions that integrate seamlessly with ION.
data-css="[data-component="cookie-banner"] { --a-cookieBannerWidget-wrapper-color: #0000004D; --a-cookieBannerWidget-text-font-weight: 400; --a-cookieBannerWidget-text-text-decoration: none; --a-cookieBannerWidget-link-text-decoration: underline; --a-cookieBannerWidget-label-font-weight: 600; --a-cookieBannerWidget-label-text-decoration: none; --a-cookieBannerWidget-divider-border-style: solid; --a-cookieBannerWidget-text-margin-top: 0px; --a-cookieBannerWidget-text-margin-right: 0px; --a-cookieBannerWidget-text-margin-bottom: 0px; --a-cookieBannerWidget-text-margin-left: 0px; --a-cookieBannerWidget-text-padding-top: 0px; --a-cookieBannerWidget-text-padding-right: 0px; --a-cookieBannerWidget-text-padding-bottom: 0px; --a-cookieBannerWidget-text-padding-left: 0px; --a-cookieBannerWidget-divider-margin-top: 24px; --a-cookieBannerWidget-divider-margin-right: 0px; --a-cookieBannerWidget-divider-margin-bottom: 24px; --a-cookieBannerWidget-divider-margin-left: 0px; --a-cookieBannerWidget-divider-border-width: 1px; }">. Orano's activities in the U.S. include developing uranium enrichment facility in Oak Ridge, TN ; packages and transportation of uranium & nuclear fuel assemblies ; fabricating & installing used nuclear fuel dry storage canisters and casks, conducting pool-to-pad used nuclear fuel transfers ; providing solutions to the National Labs and to the Dept of Energy ; and supplying U.S. nuclear energy utilities with uranium, conversion, and enrichment services.
Alexandria, VA30+ days ago
p>Typical duties for the role will vary based on project and workload at MPR, but will likely include an array of the following: - Apply structural engineering first principles to analyze and solve complex problems across all types of power generation facilities, with a special focus on nuclear power.
Work Environment: Collaborative and technically rigorous-you''ll lead multiple concurrent projects across different reactor technologies, mentor engineers across technical domains, and continuously expand your expertise while maintaining independence from vendor-specific approaches.
Washington, D.C.20 days ago
There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Qualifications: Required:
- Bachelor's (with 8-10 years of experience) or Master's degree (with 6-8 years of experience) or a PhD (with 3-5 years of experience) in Systems Engineering, Electrical Engineering, Mechanical Engineering, Aerospace Engineering, or a related technical field.